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  4. i nerd sniped myself tonight and i imagine the NSA operative who is assigned to me is very confused by the increasingly erratic and frustrated google searches for HOW DO I CALCULATE THE MOON WHERE IS THE MOON

i nerd sniped myself tonight and i imagine the NSA operative who is assigned to me is very confused by the increasingly erratic and frustrated google searches for HOW DO I CALCULATE THE MOON WHERE IS THE MOON

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  • SnoopJundefined SnoopJ

    @aeva well, yea, because astronomy doesn't really give a shit what shape the earth is anyway

    Glyphundefined Questo utente è esterno a questo forum
    Glyphundefined Questo utente è esterno a questo forum
    Glyph
    scritto su ultima modifica di
    #41

    @SnoopJ @aeva everything is a sphere if you zoom out far enough

    aevaundefined 1 Risposta Ultima Risposta
    • Glyphundefined Glyph

      @SnoopJ @aeva everything is a sphere if you zoom out far enough

      aevaundefined Questo utente è esterno a questo forum
      aevaundefined Questo utente è esterno a questo forum
      aeva
      scritto su ultima modifica di
      #42

      @glyph @SnoopJ i'm tired of all the spherical milky way conspiracy theorists

      SnoopJundefined 1 Risposta Ultima Risposta
      • aevaundefined aeva

        @glyph @SnoopJ i'm tired of all the spherical milky way conspiracy theorists

        SnoopJundefined Questo utente è esterno a questo forum
        SnoopJundefined Questo utente è esterno a questo forum
        SnoopJ
        scritto su ultima modifica di
        #43

        @aeva @glyph this is a really easy "whoa dude" win when doing physics outreach, especially if it's coupled to the side of basically any demo about angular momentum, because then you get to talk about *why* galaxies mostly come in pancake form factor

        aevaundefined 1 Risposta Ultima Risposta
        • aevaundefined aeva

          I just want to calculate the current direction of tidal force from the observer's earth-relative position in space and time is that so wrong

          Irenes (many)undefined Questo utente è esterno a questo forum
          Irenes (many)undefined Questo utente è esterno a questo forum
          Irenes (many)
          scritto su ultima modifica di
          #44

          @aeva oh what a fun one

          have you encountered the thing where every computation in astronomy is coordinate conversion

          aevaundefined 1 Risposta Ultima Risposta
          • SnoopJundefined SnoopJ

            @aeva @glyph this is a really easy "whoa dude" win when doing physics outreach, especially if it's coupled to the side of basically any demo about angular momentum, because then you get to talk about *why* galaxies mostly come in pancake form factor

            aevaundefined Questo utente è esterno a questo forum
            aevaundefined Questo utente è esterno a questo forum
            aeva
            scritto su ultima modifica di
            #45

            @SnoopJ @glyph sure. it's just the hairy ball theorem taken to its logical extreme basically

            1 Risposta Ultima Risposta
            • Irenes (many)undefined Irenes (many)

              @aeva oh what a fun one

              have you encountered the thing where every computation in astronomy is coordinate conversion

              aevaundefined Questo utente è esterno a questo forum
              aevaundefined Questo utente è esterno a questo forum
              aeva
              scritto su ultima modifica di
              #46

              @ireneista yes

              Irenes (many)undefined 1 Risposta Ultima Risposta
              • aevaundefined aeva

                @ireneista yes

                Irenes (many)undefined Questo utente è esterno a questo forum
                Irenes (many)undefined Questo utente è esterno a questo forum
                Irenes (many)
                scritto su ultima modifica di
                #47

                @aeva "fun", isn't it

                aevaundefined 1 Risposta Ultima Risposta
                • aevaundefined aeva

                  i think astronomy would be a lot simpler if ancient peoples didn't get so hung up on conceptualizing celestial bodies as spheres and simply invented linear algebra first

                  aevaundefined Questo utente è esterno a questo forum
                  aevaundefined Questo utente è esterno a questo forum
                  aeva
                  scritto su ultima modifica di
                  #48

                  i just want to calculate my current ecliptic coordinates from my current geographic coordinates is that so wrong

                  aevaundefined 1 Risposta Ultima Risposta
                  • Irenes (many)undefined Irenes (many)

                    @aeva "fun", isn't it

                    aevaundefined Questo utente è esterno a questo forum
                    aevaundefined Questo utente è esterno a questo forum
                    aeva
                    scritto su ultima modifica di
                    #49

                    @ireneista no

                    1 Risposta Ultima Risposta
                    • aevaundefined aeva

                      i just want to calculate my current ecliptic coordinates from my current geographic coordinates is that so wrong

                      aevaundefined Questo utente è esterno a questo forum
                      aevaundefined Questo utente è esterno a questo forum
                      aeva
                      scritto su ultima modifica di
                      #50

                      i wonder to what extent astronomy is an insomnia friendly career still, or if it's mostly just diurnals looking at spreadsheets in fluorescent offices these days

                      aevaundefined 1 Risposta Ultima Risposta
                      • aevaundefined aeva

                        i wonder to what extent astronomy is an insomnia friendly career still, or if it's mostly just diurnals looking at spreadsheets in fluorescent offices these days

                        aevaundefined Questo utente è esterno a questo forum
                        aevaundefined Questo utente è esterno a questo forum
                        aeva
                        scritto su ultima modifica di
                        #51

                        now that I'm a bit further down this rabbit hole I'm realizing this isn't much different from the terrestrial cartography I did one summer in college about 16 years ago, except that your benchmarks are all moving a lot faster

                        aevaundefined 1 Risposta Ultima Risposta
                        • aevaundefined aeva

                          now that I'm a bit further down this rabbit hole I'm realizing this isn't much different from the terrestrial cartography I did one summer in college about 16 years ago, except that your benchmarks are all moving a lot faster

                          aevaundefined Questo utente è esterno a questo forum
                          aevaundefined Questo utente è esterno a questo forum
                          aeva
                          scritto su ultima modifica di
                          #52

                          one of the benchmarks we wanted to use had a typos where two digits were transposed preventing us from using it because otherwise none of our math would have added up. the professor rejected my proposal to simply interpolate the error across all our data points to make the more convenient benchmark work out lol. so instead we had to chain our data points to a much less convenient datum which iirc involved us trespassing into a reservoir.

                          aevaundefined 1 Risposta Ultima Risposta
                          • aevaundefined aeva

                            one of the benchmarks we wanted to use had a typos where two digits were transposed preventing us from using it because otherwise none of our math would have added up. the professor rejected my proposal to simply interpolate the error across all our data points to make the more convenient benchmark work out lol. so instead we had to chain our data points to a much less convenient datum which iirc involved us trespassing into a reservoir.

                            aevaundefined Questo utente è esterno a questo forum
                            aevaundefined Questo utente è esterno a questo forum
                            aeva
                            scritto ultima modifica di
                            #53

                            anyways, somewhere in peru there's a town that is legally somewhere between 100 meters and 1 km off from where it actually is, and it'll be really funny if it ever gets big enough for that to actually matter

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                            • aevaundefined
                              aeva

                              anyways, somewhere in peru there's a town that is legally somewhere between 100 meters and 1 km off from where it actually is, and it'll be really funny if it ever gets big enough for that to actually matter

                              per saperne di più

                            • aevaundefined
                              aeva

                              one of the benchmarks we wanted to use had a typos where two digits were transposed preventing us from using it because otherwise none of our math would have added up. the professor rejected my proposal to simply interpolate the error across all our data points to make the more convenient benchmark work out lol. so instead we had to chain our data points to a much less convenient datum which iirc involved us trespassing into a reservoir.

                              per saperne di più

                            • aevaundefined
                              aeva

                              now that I'm a bit further down this rabbit hole I'm realizing this isn't much different from the terrestrial cartography I did one summer in college about 16 years ago, except that your benchmarks are all moving a lot faster

                              per saperne di più

                            • Evan Prodromouundefined
                              Evan Prodromou

                              @ok That's what I thought.

                              per saperne di più

                            • Evan Prodromouundefined
                              Evan Prodromou

                              Bot server is here: https://github.com/evanp/activitypub-bot and you can ask @ok if they are OK

                              per saperne di più

                            • Evan Prodromouundefined
                              Evan Prodromou

                              The update was hard; the jsonld.js library was choking on the FEP's context document because Codeberg Pages, where FEP context documents are hosted, is unreliable.

                              I ended up adding a feature to the `activitystrea.ms` NodeJS library to let you pre-cache a context document, so it didn't have to go fetch it at run time. While I was under the hood, I also fixed a couple of bugs that made it hard to work with extra context documents.

                              The bot server is now working; I'm going to add more contexts.

                              per saperne di più

                            • Evan Prodromouundefined
                              Evan Prodromou

                              I updated the #ActivityPubBot server software to use FEP-5711, the inverse properties FEP. It is a way to declare two-way relations; if X has an `inbox` property with value Y, then Y has an `inboxOf` property with value X. It helps with navigation when you're using the ActivityPub API, and it also helps with spoofing (since both objects agree on the relationship).

                              https://w3id.org/fep/5711

                              per saperne di più

                            • Evan Prodromouundefined
                              Evan Prodromou

                              @lkngrrr are you on the plane right now?

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